OAI/MathematicalPhysics/DefocusingNLS/Certificates/BoundaryDeterminantPositivity.lean
5 declarations, 0 contain sorry, 0 declared as axioms
Positivity of the coherent raw boundary determinant
- theorem
OAI.DefocusingNLS.BoundaryCertificate.certificate_firstline 14 - theorem
OAI.DefocusingNLS.BoundaryCertificate.certificate_secondline 21 - theorem
OAI.DefocusingNLS.BoundaryCertificate.certificate_thirdline 28 - theorem
OAI.DefocusingNLS.BoundaryCertificate.chart_value_positiveline 35 - theorem
OAI.DefocusingNLS.BoundaryCertificate.rawDeterminant_positiveline 59Source documentation
The entire parameter box, including repeated coherent occurrences of b,Z, has strictly positive determinant at every real frequency.
theorem rawDeterminant_positive (ell : Fin 4) (b Z v : ℝ) (hb : |100000000 * b - 33477607| ≤ 2) (hZ : |100000000 * Z - 270506819| ≤ 2) : 0 < ((rawDeterminant ell b Z).eval (v : ℂ)).re := by …Mentions: OAI.DefocusingNLS.BoundaryCertificate.rawDeterminant